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Power Plant Engineering

Power Plant Engineering
Reactors designed for propulsion applications are designed for

Enriched uranium
Natural uranium
Any type of uranium
Pure uranium

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Power Plant Engineering
Each fission of Uā‚‚ā‚ƒā‚… produces following number of fast neutrons per fission

2 neutrons
3 neutrons
1, 2 neutrons
1 neutron

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Power Plant Engineering
The commonly used material for shielding is

Thick galvanized sheets
Lead and tin
Graphite or cadmium
Lead or concrete

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Power Plant Engineering
Economizer is used to heat

All mentioned
Air
Feed water
flue gases

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Power Plant Engineering
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

High neutron scatter cross-section
Low moderating efficiency
Low neutron absorption cross-section
High neutron absorption cross-section

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Power Plant Engineering
In the breeder reactors the generation of new fissionable atom is

At the lower rate than the consumption
At an equal rate of the consumption
At a higher rate than the consumption
Depends on other considerations

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